9789940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25763}}^1$

素因数の和:25791

約数の個数: 24

約数和(自身を含む): 21641760

約数和(自身を除く): 11851820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 25763, 51526, 103052, 128815, 257630, 489497, 515260, 978994, 1957988, 2447485, 4894970, 9789940]

約数ペア:

[(1, 9789940), (2, 4894970), (4, 2447485), (5, 1957988), (10, 978994), (19, 515260), (20, 489497), (38, 257630), (76, 128815), (95, 103052), (190, 51526), (380, 25763)]